Remove tarball with a module because GitHub should be able to automatically create tarballs for us
Move "ignore.txt" to ".gitignore" so that Git can automatically ignore build files
Add abstract to CrfWrapper.pm to that Makefile.PL doesn't complain
Remove "..._Orig.pm" file because it looks like it's not being used anywhere
Fix example paths in README
Include a sample extractor model to be used by JUnit unit tests
Reformat ModelRunner to NetBeans's taste
In crfOutputsToStrings(), print out probabilities (sorted by key) so that those could be unit-testable too; update unit test's expected output accordingly
Remove unused "import"